WEL COME TO COE RAC SECTOR
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Transcript of WEL COME TO COE RAC SECTOR
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WEL COMETO
COE RAC SECTOR
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MODULE 1
BASIC WORKSHOP PRACTICE
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LESSON 15
HACKSAW FRAME AND BLADE
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OBJECTIVES
• Identify the parts of a hacksaw frame
• Specify hacksaw blade.
• State the different types of hacksaw frame
and their uses.
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Parts of hacksaw frameThe hand hacksaw is used along with a blade to cut metals of different sections it is also used to cut slots and counters
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Types of Hacksaw Frames
The two diiferenrs types of hacksaw frames are
1.Solid frame2.Adjustable frame
a. Adjustable flat typeb. Adjustable tubular type
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1.Solid frame
• Only a particular standard length of blade can be fitted to this frame
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2. Adjustable Hacksaw frame
Different standard lengths of blade can be fitted ti this frame
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Hacksaw Blades
A hacksaw blade is a thin narrow steel band with teeth and two pin holes at the ends. It is used along with a hacksaw frame. The blade is made either low alloy steel (HS) and is available in standard lengths of 250 mm and 300 mm .
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Parts of the blade
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Type of hacksaw blades
1. All hard blades
2. Flexible blades
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Pitch of the bladeThe distance between adjacent teeth is known as the pitch of the blade
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Setting of the sawStaggered setting Wave setting